Fuel supply for fuel cells



FIG. 1 is a perspective view of an embodiment showing our new design with broken lines showing a background associated with the embodiment, said broken lines are for illustrative purpose only and form no part of the claimed design.

FIG. 2 is another perspective view of the embodiment, of FIG. 1 showing our new design with broken lines showing another background associated with the embodiment, said broken lines are for illustrative purpose only and form no part of the claimed design; and,

FIG. 3 another perspective view of the embodiment showing our new design with broken lines showing another background associated with the embodiment, said broken lines for illustrative purpose only and form no part of the claimed design.

Broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a fuel supply for fuel cells, as shown and described. 